// 导航栏
nav {
    width: 100%;
    height: getvw(52);
    @extend %center;
    background-color: #ffffff;
    position: relative;

    i {
        font-size: getvw(20);
        position: absolute;
        top: 50%;
        left: getvw(15);
        transform: translateY(-50%);
    }

    p {
        color: #555555ff;
        font-size: getvw(16);
        font-weight: 400;
    }
}